Home / 39,823.11-59,740.88-13,521.74

Finding the Fourth Proportional to 39,823.11, 59,740.88 and 13,521.74

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Solution

The fourth proportional to 39,823.11, 59,740.88 and 13,521.74 is: 20,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.11 : 59,740.88 = 13,521.74 : x
  2. Step 2: Convert to fraction form
    39,823.11/59,740.88 = 13,521.74/x
  3. Step 3: Cross multiply
    39,823.11x = 59,740.88 × 13,521.74
  4. Step 4: Simplify right side
    39,823.11x = 807,800,280.42
  5. Step 5: Solve for x
    x = 807,800,280.42/39,823.11
  6. Step 6: Final answer
    x = 20,284.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.